WHY DO WE FALL ILL ?

3 important questions on WHY DO WE FALL ILL ?

What is a non infectious disease?

Diseases that cannot be spread and it is usually caused due to genetic abnormalities.
Ex : Heart Attack

What is an infectious disease?

Diseases that are caused bye microbes are called infectious diseases.
a) Bacteria - Tuberculosis
b) Fungi - Ringworm
c) Virus - AIDS
d) Protozoa - Malaria

What is an Epidemic disease?

The widespread infectious diseases that occur at a paricular time is called an Epidemic disease.
Ex : Plague [usually caused by rats]

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